Fireman helmet



FIG. 1 is an upper right front perspective view of a fireman helmet showing my new design;

FIG. 2 is a front side thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is right side view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is an upper right front perspective view thereof with the eye protector lowered;

FIG. 9 is front side view thereof with the eye protector lowered;

FIG. 10 is a right side view thereof with the eye protector lowered (the left side view is a mirror image thereof);

FIG. 11 is an upper right front perspective view thereof with the face shield lowered;

FIG. 12 is a front side view thereof with the face shield lowered; and,

FIG. 13 is a right side view thereof with the eye protector lowered (the left side view is a mirror image thereof).

The portions of the fireman helmet shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a fireman helmet, as shown and described. 